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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Mika Westerberg <mika.westerberg@linux.intel.com>
Subject: [PATCH 4.14 17/61] thunderbolt: Use the actual buffer in tb_async_error()
Date:   Tue, 13 Sep 2022 16:07:19 +0200
Message-Id: <20220913140347.385907952@linuxfoundation.org>
In-Reply-To: <20220913140346.422813036@linuxfoundation.org>
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From: Mika Westerberg <mika.westerberg@linux.intel.com>

commit eb100b8fa8e8b59eb3e5fc7a5fd4a1e3c5950f64 upstream.

The received notification packet is held in pkg->buffer and not in pkg
itself. Fix this by using the correct buffer.

Fixes: 81a54b5e1986 ("thunderbolt: Let the connection manager handle all notifications")
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/thunderbolt/ctl.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -401,7 +401,7 @@ static void tb_ctl_rx_submit(struct ctl_
 
 static int tb_async_error(const struct ctl_pkg *pkg)
 {
-	const struct cfg_error_pkg *error = (const struct cfg_error_pkg *)pkg;
+	const struct cfg_error_pkg *error = pkg->buffer;
 
 	if (pkg->frame.eof != TB_CFG_PKG_ERROR)
 		return false;